USGS Streamgage 10133000
Lost Creek at Devils Slide, Utah
Lost Creek at Devils Slide, Utah is USGS streamgage 10133000 in Utah, monitoring river discharge in hydrologic subbasin 16020101. It sits on the Lost Creek, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 228 square miles. Discharge records at this site go back to 1905. Typical flow runs near 20 cfs in July and 129.9 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Utah
- Drainage area
- 228 sq mi
- Gauge elevation
- 5,240 ft
- Subbasin (HUC-8)
- 16020101
- Coordinates
- 41.06064, -111.53456
- USGS site number
- 10133000
- Records begin
- 1905-02-01 (121 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Lost Creek at Devils Slide, Utah. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 29.5 | 32.6 | 35.5 | ||
| 27.1 | 32.8 | 39.7 | ||
| 28.3 | 36.4 | 52.7 | ||
| 28.1 | 37.5 | 54.2 | ||
| 25.5 | 35.6 | 50.3 | ||
| 22.9 | 33.7 | 47.3 | ||
| 20.7 | 32.3 | 45.8 | ||
| 16.2 | 29.2 | 42.6 | ||
| 15.4 | 28.1 | 41 | ||
| 12.4 | 25.8 | 39.3 | ||
| 10.7 | 24.1 | 38.3 | ||
| 10.2 | 24.2 | 39 | ||
| 10.2 | 24.6 | 39.8 | ||
| 11.6 | 25.6 | 40.1 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 121 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 10.8 | 16.6 | 29.2 | |
| February | 13.3 | 22.4 | 32.9 | |
| March | 22.3 | 32.8 | 66.2 | |
| April | 36.1 | 129.9 | 296.3 | |
| May | 44.8 | 219.6 | 769.4 | |
| June | 16.8 | 61.2 | 139.4 | |
| July | 9.8 | 20 | 35.7 | |
| August | 8 | 11.5 | 32.6 | |
| September | 5.5 | 10.1 | 31.2 | |
| October | 4.7 | 14 | 28.3 | |
| November | 7.6 | 21.8 | 34.9 | |
| December | 5.4 | 17.7 | 30.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Lost Creek at Devils Slide, Utah normally run highest?
- May, on the long-term record. The median daily flow that month is about 219.6 cfs, against 10.1 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Lost Creek at Devils Slide, Utah?
- It depends on the month. In January, half of days historically fall near 16.6 cfs, with the middle 80% of days between 10.8 and 29.2 cfs. The month-by-month table on this page gives the full range.
- How long has Lost Creek at Devils Slide, Utah been measured?
- Discharge records at USGS site 10133000 begin in 1905, about 121 years, covering roughly 524 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Lost Creek at Devils Slide, Utah?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Lost Creek at Devils Slide, Utah?
- The gauge sits at 41.06064, -111.53456, in Utah, in hydrologic subbasin 16020101, at an elevation of about 5,240 feet, draining roughly 228 square miles.
- Can I use Lost Creek at Devils Slide, Utah data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Lost Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Lost Creek in full.
- Lost Creek near Croydon, Utah 123 sq mi
- Lost Creek at Devils Slide, Utah this page